/Engine/Source/Runtime/Core/Public/Logging/IMessageLog.h
Appends multiple messages
void AddMessages ( const [TArray](API\Runtime\Core\Containers\TArray)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [FTokenizedMessage](API\Runtime\Core\Logging\FTokenizedMessage) > > & NewMessages, bool bMirrorToOutputLog )